Small make up in a small demo letter about ring, ring of import letter SDK (EaseMobSDK), the connection of the error, as shown in the figure below:
solution is in general, the following figure, respectively, in the absence of label arrow to add compiler needs. M files and the necessary framework:
and the small make up the problem here is not more than compile files and framework problem, the solution is,
in the third arrow to add: -obJC, and then you just recompile.